[STABILITY] The shape taker tool has an adjustable lock, which can help you fix the desired shape for a long time, allowing you to measure more accurately. The metal lock will not be damaged after long-term use. [ADJUSTABLE TIGHTNESS] The contour gauge shape copier can adjust the tightness according to your needs by using a small hexagonal wrench as a gift. There is no easy sliding and the pins are arranged neatly, and the high precision can be maintained after multiple uses. [ACCURATE CONTOUR COPY] The upgraded profile meter has a pin only 0.04 inches, and the two lengths are respectively extended to 7.2cm/2.83in and 3cm/1.69in. It can more accurately measure products with irregular shapes in various places. Such as water pipes, stairs, carpets, wooden floors, tiles and corners of houses. [MATERIAL and SIZE] Made of ABS plastic and aluminum alloy, high-quality materials will not scratch the object under test, and at the same time have the best price on the market. The package contains two specifications of 10-inch and 5-inch profile copiers, which are convenient for you to measure all shapes of different sizes in your life. [EASY to USE] It only takes three steps to use this precision shape replicator. Copy the contour, lock the instrument, and measure the accuracy. Just press the tooth on the object to match the contour, and then follow the shape you need.